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Finding the Fourth Proportional to 64,505.70, 96,770.79 and 22,384.08

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Solution

The fourth proportional to 64,505.70, 96,770.79 and 22,384.08 is: 33,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505.70 : 96,770.79 = 22,384.08 : x
  2. Step 2: Convert to fraction form
    64,505.70/96,770.79 = 22,384.08/x
  3. Step 3: Cross multiply
    64,505.70x = 96,770.79 × 22,384.08
  4. Step 4: Simplify right side
    64,505.70x = 2,166,125,105.02
  5. Step 5: Solve for x
    x = 2,166,125,105.02/64,505.70
  6. Step 6: Final answer
    x = 33,580.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.